144531334231 has 16 divisors (see below), whose sum is σ = 148125542400. Its totient is φ = 140980593600.

The previous prime is 144531334223. The next prime is 144531334313. The reversal of 144531334231 is 132433135441.

144531334231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 144531334231 - 2³ = 144531334223 is a prime.

It is a super-2 number, since 2×144531334231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144531344231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30114570 + ... + 30119368.

It is an arithmetic number, because the mean of its divisors is an integer number (9257846400).

Almost surely, 2^144531334231 is an apocalyptic number.

144531334231 is a deficient number, since it is larger than the sum of its proper divisors (3594208169).

144531334231 is a wasteful number, since it uses less digits than its factorization.

144531334231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9174.

The product of its digits is 51840, while the sum is 34.

Adding to 144531334231 its reverse (132433135441), we get a palindrome (276964469672).

The spelling of 144531334231 in words is "one hundred forty-four billion, five hundred thirty-one million, three hundred thirty-four thousand, two hundred thirty-one".